Step-by-step explanation:

Answer:
Step-by-step explanation:
(x+5)/2 = 3
x + 5 = 6
x = 1
(y+9)/2=6
y+9= 12
y = 3
(1, 3)
answer is option 4
Avg. speed Joanna runs: 7.5km/h
how much she runs everyday: 15km
15km/7.5= 2 hours of running time everyday
She leaves at 8:30, comes back at ?
8:30+ 2:00= 10:30
Joanna arrives back at 10:30a.m.
1/10 * 4/10 = 4/100 divide both by 4 it'll be 1/25
Answer:
18
Step-by-step explanation:
54/18=3
72/18=4
90/18=5